[Calming Pheromones for Dogs that Lasts for 60 Days] Pheromones collar for dogs can continuously release pheromones for dogs for up to 60 days. Calming collar dogs replace every 4 weeks.Calming collars for dogs provide high quality and longer lasting pheromone delivery. Pheromones for dogs collar can be worn continuously for best results. The calming collar for dogs anxiety and stress is waterproof, so there is no need to remove the calming dog collars when taking a bath or playing in the rain. [4 Pack Pheromone Collar for Dogs Anxiety] Black 4 pack of individual dog calming pheromone in individual packs, increasing the convenience of use and easy to carry and store. Dog calming collar is effective as an anxiety and stress collar for dogs.Dog calming collars are designed to provide instant relaxation and comfort to your dogs and puppies. Pheromone collar dogs will relieve your dog's nervousness, anxiety, and fear by mimicking the way a mother releases pheromones to soothe her child. [Relieves Undesirable Dog Behaviors] Calming collar for dogs can effectively alleviate unwanted behaviors associated with heat, noise, traffic, travel, veterinary visits, fireworks, thunderstorms, separation anxiety and calming collars for dogs prevent fear or stress caused by unfamiliar new surroundings. Anxiety collar for dogs can help dogs quickly integrate into new environments and soothe pets’ anxiety and nervousness. Pheromones collar for dogs help your dog focus, stay calm and relaxed.